Tax Season Sale!!

Thoroughbred Diesel is offering our customers awesome savings this time of the year. Shop our site and look for the blue "ON SALE" starburst for special savings on popular diesel truck products!

Call Now: 859-737-4966
industrial injection
Industrial Injection
10% Off 10% Off
(Excludes VP44s)
Titanium Signature Series &
Adjustable Whisper Fuel Pumps
gr diesel
G&R Diesel
10% Off Entire Line 15% Off Flex Plates
(Excludes 6R140-BFP)
10% Off Entire Line
beans diesel
Beans Diesel
Fleece Performance
calibrated power
Calibrated Power
10% Off Entire Line
(Excludes Dominator Turbos)
10% Off Coolant Bypass Kit 15% Off Tuners


garrett-featured-deal transfer-flow-featured-deal
ddp-featured-deal fleece-featured-deal
industrial-featured-deal suncoast-featured-deal


Jump to Category Below:

Hard Parts Transmissions Tuners


duramax-tuners-slider-tax-sale calibrated-tuners-slider-tax-sale

On Sale

Take 15% off Duramax Tuners.

On Sale

Take 15% off Calibrated Tuners.

gdp-plug-play-module-tax-sale bully-dog-tuners-slider-spring-sale

On Sale

Take advantage of sale prices on
GDP 100HP Plug N Play Modules.

Mail In Rebate

Save up to $50 w/ the purchase the GTXBDXGTX WatchDogGT Diesel, or GT Gas Programmer.


Mail In Rebate

Save up to $50 w/ the purchase the GTXBDXX4LiveWire TS+, and Livewire Vision Monitor.



garrett-03-07-ford-turbo-tax-sale fass-signature-series-whisper-fuel-pump-tax-sale

On Sale

Take advantage of sale prices on
Garrett New Stock Turbo - 03-07 Ford 6.0L.

On Sale

Take advantage of sale prices on FASS
Titanium Signature Series & Adjustable Whisper Fuel Pumps.

pacbrake-prxb-exhaust-brake-tax-sale ddp-slider-tax-sale

20% Off On Select PRXB Skus

Get 20% off on select Pacbrake PRXB exhaust brake kits skus.

On Sale

Get 10% off ALL DDP.

G_R-slider-tax-sale industrial-injection-slider-tax-sale

On Sale

Get 10% off ALL G&R Diesel.

On Sale

Get 10% off Industrial Injection. (excludes VP44s)

beans-10-off-slider-tax-sale suncoast-10-off-slider-tax-sale

On Sale

Get Up To 10% off Beans Diesel products.
(Excludes Dominator Turbos)

On Sale

Get Up To 10% off ALL Suncoast.

suncoast-15-off-flexplate-slider-tax-sale fleece-10-off-slider-tax-sale

On Sale

Get Up To 15% off Suncoast Flexplate.
(Excludes 6R140-BFP)

On Sale

Get Up To 10% off coolant bypass kits.

longhorn-10-off-slider-tax-sale dpc-10-off-slider-tax-sale

On Sale

Get Up To 10% off ALL Long Horn Fab products.

On Sale

Get Up To 10% off Torque Converters.



50% Off Shipping

Get 50% off shipping on Suncoast transmissions.


Additional Sales!

Thoroughbred Diesel is offering 10% specific brands as well. Below are the brands included in this sale unless other wise specified by a previous sale. Shop our site and look for the blue "ON SALE" starburst for special savings!

Brands Included In Sale


Brands Excluded From Sale

  • AC Delco
  • AEM
  • AFE
  • Airaid
  • Airdog
  • Alliant Power
  • Andersen Manufacturing
  • ARP
  • ATS
  • Autometer
  • B&W
  • BAK Industries
  • Banks
  • BedRug
  • Bestop
  • Big Bang Injection
  • Bilstein
  • BulletProof Hitches
  • Bully Dog
  • Bushwacker
  • CAPS Cummins Injection Pump
  • Combos
  • Cummins
  • Curt
  • Deviant Race Parts
  • Diablo Sport
  • Diamond Eye Performance
  • Diesel Performance Converters
    (10% off & torque converters)
  • Diesel Site
  • Different Trends
  • Driven Diesel
  • Edge
  • Extang
  • FleetGuard
  • Flo-Pro
  • Fluidampr
  • Ford Motorcraft
  • Fox Shocks
  • Fuel Off Road
  • G2 Axle & Gear
  • GB Remanufacturing
  • Gen Y Hitch
  • H&S Motorsports
  • Hamilton Cams
  • Hot Shots Secret
  • HSP Diesel
  • Husky Liner
  • Hypertech
  • Injen
  • Integrity Plus
  • Irate Diesel
  • K&N
  • KC Turbos
  • Kryptonite
  • Mads Smarty
  • Mag-Hytec
  • Mahle
  • Maryland Diesel
  • MBRP
  • Mean Green
  • Merchant Automotive
  • Mishimoto
  • Moog
  • N-Fab
  • Nitro Gear & Axle
  • No Limit Fabrication
  • Overland Vehicle Systems
  • Power Hungry
  • PPE
  • ProMaxx Performance
  • Quadzilla
  • Racor
  • Readylift
  • RedHead Steering Gears
  • Rigid Industries
  • S&B
  • S&B Tanks
  • S&S Diesel
  • SCT
  • Silverline
  • SOTA Offroad
  • South Bend
  • Stanadyne
  • Superchips
  • Swamp's Diesel
  • Thoroughbred Diesel
  • Titan Fuel Tanks
  • Transfer Flow
  • TruXedo
  • TS Performance
  • Undercover
  • Unlimited Diesel
  • Valair
  • Vision X
  • VP44
  • VP44 Combo
  • Wagler
  • Warn
  • Warren Diesel Injection
  • WC Fab
  • WeatherTech